1. The notation 1.388e-2 on the calculator represents the number 0.01388 in scientific notation. The "e" stands for "times ten to the power of", so 1.388e-2 means 1.388 multiplied by 10 to the power of -2.
2. Scientific notation is used to simplify and represent very large or very small numbers in a more concise and manageable form. It allows for easier comparison of numbers, easier calculation with large or small numbers, and easier representation of extremely large or small values in a compact way.
3. When choosing what place value to estimate to, it is important to consider the context and the degree of accuracy required for the specific calculation or application. Generally, it is best to estimate to the level of precision that is necessary for the task at hand. This could involve considering the number of significant figures, the level of accuracy needed, and the impact of rounding on the overall calculation.
1. What is this notation on the calculator:
1.388e-2 2. Why use Scientific Notation? 3. How do you choose what place value to estimate to?
1 answer